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Vibrating Wire Piezometer

Vibrating Wire Piezometer Overview

The Geomotion Vibrating Wire Piezometer is designed for accurate and long term measurement of pore water pressures in fully or partially saturated soil and rock.

The transducer is made from high quality 316 grade stainless steel and designed to handle pressure ranges from -50 to 4000 kPa. It incorporates an over voltage surge arrestor that offers protection from a lightning strike

The piezometer may be fitted with either a low air entry sintered steel or high air entry ceramic filters. A coned nose piece is available for push in installations. An integral thermistor for temperature monitoring is included.

Product Features

  • Small diameter
  • Uses proven Vibrating Wire (VW) technology
  • Manufactured from high grade 316 stainless steel for extended operation
  • In-built temperature compensation
  • Hermetically sealed
  • Suitable for long-term monitoring
  • No electronic components in sensor module
  • Capable of measuring negative pore pressures to –50 kPa
  • Fitted with thermistors for temperature monitoring

Vibrating Wire Piezometer Data Sheet
File Size: 824 kb
File Type: pdf
Download File

Vibrating Wire Piezometer User Manual
File Size: 3795 kb
File Type: pdf
Download File


Product Benefits

  • Over 30 years of expertise in the design and manufacture of Vibrating Wire instrument technology
  • Accurate, repeatable readings over long cable lengths
  • Long working life, long term stability and reliability
  • Fast response to pressure changes
  • Design prevents case stresses from affecting readings
  • Over-voltage surge arrestor protects against electrical damage
  • Connecting cable is strong, screened and flexible

Operation

The Standard Vibrating Wire Piezometer is designed for the accurate measurement of pore water pressures in fully or partially saturated soil.

The piezometer tip has an integral porous filter element containing a diaphragm type Vibrating Wire pressure transducer. A cable connects the transducer to a read-out, terminal unit or data logger.

The readout can display either frequency based units, or on inputting the instrument calibration factor, it can also display engineering units.

Application

Piezometers are used in geotechnical, environmental, and hydrological applications. They can be installed in boreholes, placed in fill materials or open wells to measure water levels or pore water pressures to enable engineers to verify design assumptions and control placement of fill. With a nose cone fitted the piezometer can also be pushed  into soft ground with a CPT rig.

Typical applications include:
  • Environmental management including landfill sites
  • Monitoring of aquifers
  • Monitoring of tidal effects on coastal soils
  • Embankments
  • Potential landslide sites
  • Dewatering excavations
  • Tailings lagoons
  • Pumping tests
  • Monitoring seepage
  • Control placement of fill.

Technical Rating

As the correct installation of any monitoring sensor or system is vital to maximise performance and accuracy, Geomotion makes the following recommendations for the skill level of the installation contractor.

Technical Rating for this Product:  INTERMEDIATE

The installer already has previous experience and/or training in the installation of this instrument or system.

Geomotion offer installation and monitoring services to support this system. For more information please email info@geomotion.com.au or call +61 (8) 9284 0244

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Geomotion Australia
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  • Home
  • About Us
    • Experience
    • Projects >
      • Dams & Reservoirs
      • Mining
      • Railways
      • Structures
      • Tunnels
      • Earthworks, Excavations & Landslides
    • Global Partners
    • History
    • Careers
  • Products & Services
    • Instrumentation >
      • Data Loggers & Cables
      • Environmental Monitoring
      • Extensometers
      • Inclination Monitoring
      • Jointmeters & Crackmeters
      • Load Cells & Pressure Cells
      • Monitoring Software >
        • Geomotion Cloud
        • InSAR Monitoring
        • Mission Monitor
      • Readouts
      • Settlement Monitoring
      • Strain Gauges
      • Temperature Sensors
      • Tiltsensors & Tiltmeters
      • Vibration Monitoring
      • Water Monitors, Meters & Piezometers
    • Monitoring Services
    • Rental & Servicing
    • Support
    • Training Sessions
  • Capabilities
    • Data Monitoring
    • Installation
    • Maintenance
    • Supply
  • News Hub
  • Contact Us
  • Client Login